I have exported more than 250 images but when export is completed I have 4 or 5 blank (white) images but the watermark is ok...
Is there a bug with Lightroom CC 2015 ?
Thanks for your help.
This is a known bug -- see this bug report in the official Adobe feedback forum: LIGHTROOM CC - Random white images when exporting or publishing. See this post in that thread for a slow workaround: LIGHTROOM CC - Random white images when exporting or publishing. Please add your vote and opinion to the topic to help ensure that Adobe will prioritize a fix. If you follow that topic (or reply to it), you'll be notified of status updates, better workarounds, and fixes.